package com.feng.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.feng.reggie.common.R;
import com.feng.reggie.entity.Employee;
import com.feng.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import java.time.LocalDate;
import java.time.LocalDateTime;

@RestController
@Slf4j
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request,@RequestBody Employee employee){
        String password = employee.getPassword();
        password=DigestUtils.md5DigestAsHex(password.getBytes());
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if(emp==null){
            return R.error("用户名不存在，登录失败!");
        }
        if(!emp.getPassword().equals(password)){
            return R.error("密码错误，登录失败!");
        }
        if(emp.getStatus()==0){
            return R.error("账号已禁用!");
        }
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("成功退出用户！");
    }
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
       log.info("新增员工，员工信息为：{}",employee.toString());
       employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
      // employee.setCreateTime(LocalDateTime.now());
      // employee.setUpdateTime(LocalDateTime.now());
     //  Long empId= (Long) request.getSession().getAttribute("employee");
       //employee.setCreateUser(empId);
      // employee.setUpdateUser(empId);
       employeeService.save(employee);

     return R.success("添加员工成功！");
    }

    /**
     * 员工信息的 分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page={},pageSize={},name={}",page,pageSize,name);
        //分页构造器
        Page pageInfo=new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper();
        //添加过滤条件
        if(name!=null){
            queryWrapper.like(Employee::getName,name);
        }
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id修改员工信息
     * @param employee
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
      log.info(employee.toString());
//      employee.setUpdateTime(LocalDateTime.now());
//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setUpdateUser(empId);
        long id=Thread.currentThread().getId();
        log.info("线程id为：{}",id);
      employeeService.updateById(employee);
      return R.success("员工信息修改成功！");
    }

    /**
     * 根据id查询员工信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    //在地址栏获取的id需要加入@PathVariable注解
    public R<Employee> getById(@PathVariable Long id){
        log.info("根据id查询员工信息...");
        Employee byId = employeeService.getById(id);
        if(byId!=null){
            return R.success(byId);
        }
        return R.error("没有查询到对应的员工信息");


    }

}
